Home / 2,313.23-3,192.41-1,318.82

Finding the Fourth Proportional to 2,313.23, 3,192.41 and 1,318.82

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Solution

The fourth proportional to 2,313.23, 3,192.41 and 1,318.82 is: 1,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313.23 : 3,192.41 = 1,318.82 : x
  2. Step 2: Convert to fraction form
    2,313.23/3,192.41 = 1,318.82/x
  3. Step 3: Cross multiply
    2,313.23x = 3,192.41 × 1,318.82
  4. Step 4: Simplify right side
    2,313.23x = 4,210,201.49
  5. Step 5: Solve for x
    x = 4,210,201.49/2,313.23
  6. Step 6: Final answer
    x = 1,820.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.